v4/donut/android/support/v4/graphics/drawable/DrawableCompatBase.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.graphics.drawable;

import android.content.res.ColorStateList;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;

/**
 * Base implementation of drawable compatibility.
 */
class DrawableCompatBase {

    public static void setTint(Drawable drawable, int tint) {
        if (drawable instanceof DrawableWrapper) {
            ((DrawableWrapper) drawable).setTint(tint);
        }
    }

    public static void setTintList(Drawable drawable, ColorStateList tint) {
        if (drawable instanceof DrawableWrapper) {
            ((DrawableWrapper) drawable).setTintList(tint);
        }
    }

    public static void setTintMode(Drawable drawable, PorterDuff.Mode tintMode) {
        if (drawable instanceof DrawableWrapper) {
            ((DrawableWrapper) drawable).setTintMode(tintMode);
        }
    }

    public static Drawable wrapForTinting(Drawable drawable) {
        if (!(drawable instanceof DrawableWrapperDonut)) {
            return new DrawableWrapperDonut(drawable);
        }
        return drawable;
    }

}